This standard specifies the technical requirements and inspection basis for single-phase bridge rectifier modules. This standard applies to single-phase bridge rectifier modules (hereinafter referred to as modules) composed of four rectifier tube chips and rated at MDS5 to MDS150 according to the shell temperature. JB/T 5834.2-1991 Power rectifier module MDQ series 5A and above single-phase bridge rectifier module JB/T5834.2-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Power Rectifier Module
MDQ Series 5A and Above Single-Phase Bridge Rectifier Module Subject Content and Scope of Application
This standard specifies the technical requirements and inspection basis of single-phase bridge power rectifier modules. JB5834.2-91
This standard applies to single-phase bridge rectifier modules (hereinafter referred to as modules) composed of four rectifier tube chips and rated at MDQ5~MDQ150 according to the shell temperature.
2 Reference standards
GB4937
Mechanical and climatic test methods for discrete semiconductor devices GB4938
Acceptance and reliability of discrete semiconductor devices
GB2423.4 Basic environmental test procedures for electric and electronic products Test Db: Alternating damp heat test method
GB2900.32 Electrical terminology Power semiconductor devices 3 Technical requirements
3.1 Dimensions
The module models and recommended dimensions are shown in Figures 1 to 7. 3.2 Rated values
3.2.1 The maximum rated values ​​(limit values) shall comply with the provisions of Table 1 (the currents and voltages other than I. (I. = 2Ip (Av)] are single chip values, the same below).
Parameters and values
DC output
MDQ100
MDQ150
Forward average
Forward (non-repeating
repeating) surge current|| tt||Approved by the Ministry of Machinery and Electronics Industry on October 24, 1991 38
Reverse repetitive
Peak voltage
Reverse non-repetitive
Bee value voltage
50~1000VRM=0.9VrSM
Equivalent junction temperature
(or 150)
Storage temperature
-40~140
(or 160)|| tt||1992—10-01 implementation
Note: ①I. is the value at the corresponding shell temperature.
JB5834.2-91
②The shell temperature is the temperature of the geometric center point (reference point) of the long side of the bottom plate of the module shell. ③The equivalent junction temperature and storage temperature The values ​​in brackets are for non-epoxy package type, the same below. 4—03.2
(MDQ5)
(MDQ5, MDQ1 0)
JB5834.2-91
(MDQ10)
JB5834.2-~91
(NDQ20, MDQ40)
JB.5834.2--91
(MDQ60, MDQ100)
JB5834.291||t t||JB5834.2--91
（ VRRM) is classified according to Table 2.
Rated reverse repetitive peak voltage.
Characteristic value
Characteristic value shall comply with the provisions of Table 3.
MDQ100
MDQ150
Forward peak voltage
Reverse repetitive peak current
Note: ①Junction-to-case thermal resistance is the thermal resistance from the chip junction to the module case reference point. and
Junction-to-case thermal resistance
②Module insulation voltage is the withstand voltage between each terminal and the case, which is the minimum value, and the others are the maximum value. Inspection rules
Batch-by-batch (Group A) inspection
Group A inspection shall comply with the provisions of Table 4.
(Cannot work)
ViSo(RMS)
Inspection method
Visual inspection under normal lighting and normal vision
According to A2b
See B1 in Appendix B||t t||See B2 in Appendix B
Sine wave, 50Hz, voltage 2000V,
Maintenance time 1min
①USL is the value of the corresponding model in Table 3, the same below. Note:
②AQL sampling see A1 in Appendix A.
Marking is clear, no mechanical damage on the surface
Polarity is reversed
V>10USL
IRRM> 100USL
Comply with the provisions of Table 3
No breakdown or flashover
Module insulation voltage
Viso(RMS)
Sampling plan
AQL(I)
JB5834.2--91
If the first inspection of Group A fails, it can be resubmitted for inspection in accordance with the stricter level A1 in Appendix A, but it can only be resubmitted once. 4.2 Periodic (Group B) Inspection
Group B inspection shall be in accordance with the provisions of Table 5. For the standardized products produced normally, at least one batch of Group B inspection shall be carried out every year. The inspection marked with (D) is destructive. Table 5
Inspection items
Weldability (applicable only to
welding electrodes)
Temperature change followed by
Damp heat cycling (D)
Electrical durability
Release batch certification record
Inspection method
According to Figures 1 to 7
2.1.2 of GB4937
(Sandalwood welding method)
3.1.1 of GB4937
Ta=-40+
Tn=140-g (or 160-g)
5 cycles
Test Db, method 2
Severity: 55℃
6 cycles||t t||High temperature reverse bias
3.2 of GB4938
Sine wave 50Hz, 70%
VRRM, junction temperature = 125-℃
(or 150℃) 1688h
Qualification criteria
Maximum shape and installation dimensions meet the requirements
Good wetting
Final test:
V, InR meet the requirements of Table 3
Final test:
V≤1.1USL
IRRM≤2USL
Briefly give the relevant attribute data and test conclusions of each group of B5 and B8 Note: In the sampling plan column, n is the sampling number, c is the qualified judgment number, the same below. Sampling plan
If the first inspection of Group B fails, additional sampling can be carried out according to A2 in Appendix A, but each inspection group can only be supplemented once, and the additional samples should undergo all inspections of the group. 4.3 Periodic (Group C) Inspection
Group C inspection shall be in accordance with Table 6. For the standardized products in normal production, at least one batch of Group C inspection shall be carried out every year. 45
Welding heat resistance
(only applicable to welding electrodes)
Electrical durability
High temperature storage
Release batch certification record
JB5834.2-91
Inspection method
According to Figures 1 to 7
See B3 in Appendix B
50%VRRM
1 time 1 cycle, 20 times
See B4 in Appendix B
2.2.2 of GB4937
Method 1A
High temperature reverse bias
3.2 of GB4938
1000h, other conditions are the same as B8
GB4937 3.2
Tatg=140-
(or 160-℃),
Qualification criteria
All dimensions meet the requirements
Final test:
VM≤1.1USL
IRRM2USL
Meet the requirements of Table 3
Final test:
VM, IRRM meet the requirements of Table 3
Final test:
VrM≤1.1USL
IRRM≤2USL
Final test:
IRRM≤2USL
Briefly give the relevant attribute data and test conclusions of the C8 and C9 groups. If the first submission inspection of group C fails, it can be handled as the first submission inspection failure of group B. 5
Marking and ordering information
5.1Marking on the product
a. Product model and quality category (Class I). b.
Manufacturer name, code or trademark.
Electrical schematic diagram, use "～" to indicate the input terminal, "+" and "" to indicate the output terminal. c.
Inspection batch identification code.
Marking on the packaging box (box)
Product name, model and quality category
Manufacturer name, code or trademark
Inspection batch identification code
Moisture-proof, rain-proof mark, etc.
5.3Ordering information
To order a specific product, at least the following information is required: a. Product model and quality category
b.The number of this standard is c. Others Sampling plan A1 AQL sampling AQL sampling according to Table A1 Batch range 16-25 151-280 281-500 501-1200 Sample size This subsidiary inspection level (I) II; Note: JB5894.2-91 (supplement) c is the qualified number, I is the unqualified number; ② The arrow indicates that the first sampling plan should be used. If the sample size at the corresponding point is equal to or greater than the batch, the batch should be inspected 100%.
2 Additional samplingbzxZ.net
Additional sampling according to Table A2
Initial sampling n1
Additional sampling II2
Additional number
Grid determination
B1 Forward peak voltage (VgM)
This test uses the pulse method.
B1.1 Principle circuit and requirements
The principle circuit is shown in Figure B1.
B58343-90
Appendix B
Inspection and testing of limit values ​​and electrical characteristics
(Supplement)
-A resistor that has been calibrated to measure current;
Device under test:
-Inductor and capacitor that generate forward current pulses; L, c-
-Switching device that controls current pulses, generates pulses when turned on, and should be disconnected immediately after the pulse S
current ends,
Vr, Ap
Peak voltmeter, peak
value ammeter or oscilloscope. The peak value voltmeter should be able to display that the forward current reaches the peak adjustable pulse AC power supply.
B1.2 Test conditions
Voltage value at the time of value:
Junction temperature: 25℃ for batch tests, 25℃ and T() when required; a.
Forward peak current: times of rated forward average current (3 is acceptable) or as specified in product standards, b.
Current pulse width: selected based on the carriers of the device under test being able to fully achieve equilibrium during the measurement, current pulse: can be a single shot or a low repetition frequency with negligible heat generation; Measurement point location: as specified in Figure B2 or the corresponding two terminals of the module; Metal pressure plate
Metal pressure plate
The tightening pressure or torque between the device under test and the fixture: as specified in product standards. f.
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